Cadillac Concours owners have reported 8 engine and engine cooling related problems since 1996. Table 1 shows the 7 most common engine and engine cooling problems. The number one most common problem is related to the vehicle's engine burning oil (2 problems). The second most common problem is related to the vehicle's engine (1 problem). For details of each of the problem category, use the links in the table.
1998 Cadillac deville Concours. Northstar 4. 6l v8 I have made numerous complaints about the oil consumption of this vehicles engine. Only to receive the brush off from the dealership about gm's allowable northstar consumption. Read details...
Oil line failed, due to crack. Read details...
My 1996 Cadillac deville Concourse has developed a defect whereas it will accelerate on it's own, shutting down the a/c for more horsepower while it does it. I have seen it accelerate through 80 mph once. Read details...
Dex cool complaint sludge build up waterpump and transmission cannot afford to fix put new waterpump on but I have still problems. Read details...
While driving the car starts to make a loud noise like gears changing and comes almost to a halt. The speed gauge just drops from 50 to 30, as though the drive has applied the brakes. The vehicle has been to shop (4) times in a (6) month period for this problem. The problem has not been corrected. Read details...